Re: [Xen-devel] [PATCH] nestedhvm: ASID emulation

To:	Christoph Egger <Christoph.Egger@xxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] nestedhvm: ASID emulation
From:	Keir Fraser <keir.xen@xxxxxxxxx>
Date:	Fri, 15 Apr 2011 13:53:09 +0100
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On 15/04/2011 10:57, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote:

> On 04/15/11 11:24, Keir Fraser wrote:
>> On 15/04/2011 10:08, "Christoph Egger"<Christoph.Egger@xxxxxxx>  wrote:
> 
> Just found another fallout that got lost from my original patch.
> 
> After shutting down XP mode in Windows 7, Win7 turns off SVM in EFER
> after about 30 seconds. When starting XP mode again, Win 7 turns SVM on
> again.
> 
> Then nv_n2asid can be stale. Attached patch fixes this.

Should be using hvm_asid_flush_vcpu_asid(), so I'll fix the patch to use
that and then check it in.

 Thanks,
 Keir

> Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
> 



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Re: [Xen-devel] [PATCH] nestedhvm: ASID emulation